accentuator

[ ak-sen-choo-ey-ter ]

noun

1. Electronics. a circuit or network inserted to provide less loss or greater gain to certain frequencies in an audio spectrum, as a preemphasis spectrum.
2. a person or thing that accentuates.

Word History and Origins

Origin of accentuator¹

First recorded in 1875–80; accentuate + -or ²